Rotate 3D (512*512*512 double) matrix

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Yilong Zhang
Yilong Zhang 2022-2-28
评论： Yilong Zhang 2022-3-1
Hi. I have a 3D matrix in double type (512*512*512 double) and I want to rotate 30 degree anticlockwise around central z-axis. Can anyone please give me an idea how to do this? Many thanks,
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Matt J
Matt J 2022-3-1
Where is the "central z-axis" in the coordinates of your 3D grid? Which way does it point?

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采纳的回答

Walter Roberson
Walter Roberson 2022-2-28
The easiest way is to slice it into panes and rotate each pane and reassemble.
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Walter Roberson
Walter Roberson 2022-3-1
for k=512:-1:1
newimg(k, :, :) = imrotate(squeeze(img(k, :, :), Angle)) ;
end

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更多回答（1 个）

Matt J
Matt J 2022-3-1
编辑：Matt J 2022-3-1
order=[3,1,2]; %example
A=permute(yourMatrix,order);
A=imrotate(A,30);
A=ipermute(A,order);

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